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OSGKeyboard/CHANGELOG.md
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hkgood 79be7384dd [JJC-20260618-005-D] P1/P2 cleanup: structured errors, privacy audit, timeout SSOT, view-model tests
13 items, 555-line diff, build + 15/15 tests green.

ARCH-A3: Phase.error now carries ErrorKind (micDenied/speechDenied/asr/llm/
appGroupUnavailable/unknown) so the UI can pick icons/copy without parsing
free-form strings. Phase.ErrorKind, Phase, LLMError all Equatable.

ARCH-A4: Every TextField in APISettingsCard gets .keyboardType(.asciiCapable)
to defeat SwiftUI's iOS 18 system-keyboard hand-off that auto-suggests
Chinese/emoji and corrupts API keys / URLs / model names.

ARCH-A5 + DOC-3: PrivacyInfo.xcprivacy audited for honesty. Removed three
declared-but-unused APIs (FileTimestamp / DiskSpace / SystemBootTime) and
added ActiveKeyboards (DDA9.1) to the extension (it actually calls
advanceToNextInputMode in the tap path). Main App now declares only
UserDefaults (CA92.1). CHANGELOG updated.

ARCH-A6: Extracted PermissionManager (mic+speech permission flow, iOS 17
branching) and AppGroupPersistor (App Group load/persist) from the God
Object. KeyboardViewController drops 515 → 459 lines. KeyboardPipelineController
left in-place per risk plan — pressBegan state machine is too race-sensitive
to refactor in this pass.

RED-2: Deleted unused Theme enum (no call sites).
RED-3: Deleted unused cardStyle() alias (no call sites).
RED-7: Single source of truth for LLM timeout — LLMClient.requestTimeout +
LLMClientFactory.defaultRequestTimeout; PolishingService derives timeout from
defaultRequestTimeout+1 instead of hardcoding 15.
RED-8: ASRService.transcribe now emits .capability(onDeviceSupported:) as
first event per session; StatusBadge shows REC ⚠️ when the locale fell
back to cloud. New @Published var onDeviceSupported on State.

TEST-1: testPolishThrowsOnTransportTimeout now actually exercises
cancellation: StubURLProtocol delays response 5s, client.polish is
cancelled via Task.cancel(), test asserts the client throws .cancelled /
.transport / .decoding (was: silently passed).

TEST-2: New testPolisherSkipsNetworkWhenModeOff — PolishingService now
short-circuits when modeId == 'off' and returns trimmed input without
invoking LLMClient (proved via injected CountingLLMClient). Service was
moved to OSGKeyboardShared to be reachable from the test target.

TEST-3: KeyboardState (formerly KeyboardViewController.State) extracted
into OSGKeyboardShared so tests can @testable-import it. 5 phase/mode
tests in new KeyboardStateTests. Typealias preserves the old name.

TEST-4: New OSGKeyboardExtTests target with 6 tests covering State
initial values, phase transitions, structured-error round-trip, mode
switching, and InputMode rawValue round-trip.
2026-06-18 12:27:15 +08:00

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# Changelog
All notable changes to OSGKeyboard will be documented in this file.
The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
## [Unreleased]
> **Note: v0.1.1 polish** — this is a small follow-up to v0.1.0 focused on review-driven cleanup
> (theme follow-up, ASR robustness, debug-print hygiene, docs). **No features are removed.**
> The iOS 26 `SpeechAnalyzer` path remains deferred to 0.2.0 (see below); v0.1.1 users continue
> to ship with the iOS 18 `SFSpeechRecognizer` path that shipped in v0.1.0. User experience is
> unchanged from v0.1.0.
### Fixed
- **PrivacyInfo.xcprivacy audited for honesty**: removed the three undeclared `NSPrivacyAccessedAPIType` entries (`FileTimestamp` / `DiskSpace` / `SystemBootTime`) the project doesn't actually use, and added `ActiveKeyboards` (reason `DDA9.1`) to the keyboard extension's manifest because `advanceToNextInputMode()` is in the tap path. The main App now declares only `UserDefaults` (reason `CA92.1`), which is the only Required Reason API it touches.
- **Theme follows system appearance**: main App now renders a true light palette in light mode via `ThemedRoot` + `EnvironmentKey<ThemePalette>`. The keyboard extension deliberately stays dark (Apple's default) and now uses a transparent `.background(Color.clear)` so the system UI chrome shows through.
- **Speech Recognition permission requested on first press**: added `NSSpeechRecognitionUsageDescription` to both targets' `Info.plist` and an explicit `SFSpeechRecognizer.requestAuthorization` call inside `pressBegan()`. Without these the iOS 18 ASR path silently returned `.denied` and the user heard nothing.
- **ASRService emits a DEBUG warning when on-device recognition isn't supported**, so it's obvious during dev that the request fell back to cloud.
- **App Group fallback behaviour**:
- In `DEBUG`, a missing App Group now `fatalError`s with a precise remediation message (was a soft print + `.standard` fallback, which desynced the keyboard extension from the main App).
- In release, the fallback is preserved but logged via `NSLog`.
- **`KeyboardViewController.loadPersistedLocale` self-check** (DEBUG only) prints the active provider / baseURL / masked API key / mode / locale, so the keyboard extension's view of the App Group is visible in the device console.
- **`KeyboardViewController.handleFinalTranscript` typed-error routing**: `LLMError.noAPIKey` (401) and `LLMError.http(429)` now surface as red, explicit error messages instead of silently inserting the raw transcript. Network / timeout errors still fall back to the raw transcript + error badge (no data loss).
- **`PolishingService` timeout** raised from 12 s to 15 s to align with `LLMClient`'s URL request timeout. Previously the polisher would race the network call and discard a successful response that arrived in the 1215 s window.
- **DEBUG `print` cleanup**: the four `🔥 [OSGKeyboardApp] …` instrumentation prints in `OSGKeyboardApp.init()` and root views are now wrapped in `#if DEBUG`.
### Added
- "Test connection" button in `APISettingsCard`: fires a single `polish("ping")` round-trip and surfaces success or the typed LLM error inline. Helps the user confirm the App Group + key are working without leaving the main App.
- 5 new unit tests in `OSGKeyboardTests`: App Group cross-process persistence, 401 / 429 / timeout / noAPIKey catch paths, and `mode = .off` short-circuit.
### Changed
- README + `README.zh.md`: replaced `<OWNER>` placeholder with `hkgood` and rephrased the iOS 26 `SpeechAnalyzer` line as "planned for the next release" (the iOS 18 `SFSpeechRecognizer` path remains the only working ASR for v0.1).
### Known limitations
- iOS 26 `SpeechAnalyzer` + `DictationTranscriber` on-device ASR is planned for **0.2.0** (moved out of Unreleased scope to keep the v0.1 release honest about what ships).
- The keyboard does not work in password fields (iOS limitation).
- Microphone requires "Allow Full Access" to be enabled in iOS Settings.
- Whisper.cpp / on-device LLM polish is intentionally out of scope for v1 (cloud-only).
## [0.2.0] - Planned
### Added
- iOS 26+ `SpeechAnalyzer` + `DictationTranscriber` on-device ASR (lower latency, more locales).
- Bilingual UI (中文 / English) driven by a real `Localizable.strings` table; will land alongside a Settings → Language picker.
## [0.1.0] - 2026-06-17
### Added
- First public pre-release.